Studies on the Crystal Growth and Characterization of Large Size Sr:LCB Single Crystals
Studies on the Crystal Growth and Characterization of Large Size Sr:LCB Single Crystals
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大尺寸Sr:LCB单晶的晶体生长及表征研究
DOI：
10.3390/cryst12040442
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发表时间：
2022-03
期刊：
影响因子：
2.7
通讯作者：
Yicheng Wu
中科院分区：
文献类型：
--
作者：
Xuliang Zhang;Yue Li;Fangli Jing;Zhanggui Hu;Yicheng Wu
将非线性光学晶体的最短二次谐波产生输出波长扩展到深紫外（UV）范围对于其作为先进激光器的频率转换器件的应用非常重要。大原子序数离子的掺杂被认为是实现较短SHG输出波长的有效方法。在这项工作中，采用顶晶溶液生长法生长了标称比为10%、15%和30%的大尺寸Sr2+掺杂La2CaB10O19 (Sr:LCB)晶体。测量的生长的Sr:LCB晶体的晶格参数与LCB晶体几乎相同，并且摇摆曲线表明生长的Sr:LCB晶体具有高质量。 Sr：LCB 晶体的 UV 截止边缘为 168 nm。测量了 Sr:LCB 晶体的折射率，并在此基础上拟合了 Sr:LCB 晶体的 Sellmeier 方程。计算得出I型相位匹配的最短SHG输出波长为270.5 nm，比LCB晶体（288 nm）短17.5 nm。表征结果表明，Sr:LCB 是一种潜在的深紫外范围非线性光学晶体。
Extending the shortest second harmonic generation output wavelength of nonlinear optical crystals into the deep ultraviolet (UV) range is important for their application as frequency conversion devices for an advanced laser. The doping of ions with a large atomic number is believed to be an effective way to realize a shorter SHG output wavelength. In this work, large-sized Sr2+-doped La2CaB10O19 (Sr:LCB) crystals with nominal ratios of 10%, 15% and 30% were grown by the top-seeded solution growth method. The measured lattice parameters of the grown Sr:LCB are nearly the same as that of the LCB crystal, and the rocking curves reveal that the grown Sr:LCB crystals are of high quality. Sr: LCB crystals have a UV cut-off edge of 168 nm. The refractive index of the Sr:LCB crystals was measured, based on which the Sellmeier equations of the Sr:LCB crystals were fitted. The calculated shortest SHG output wavelength for Type I phase matching is 270.5 nm, which is 17.5 nm shorter than that of LCB crystals (288 nm). The characterization results demonstrate that Sr:LCB is a potential nonlinear optical crystal for the deep UV range.
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Tb3 掺杂 La2CaB10O19 晶体的生长和光谱特性
影响因子：
3.9
作者：
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影响因子：
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影响因子：
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